Bus stop sign



FIG. 1 is a front elevation view of a bus stop sign showing my new design;

FIG. 2 is a rear elevation view;

FIG. 3 is a right elevation view;

FIG. 4 is a left elevation view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a right side isometric view of a bus stop sign showing my new design. 

The ornamental design for a bus stop sign, as shown and described. 